package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class JDBCDemo14 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection()) {
            connection.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
            connection.setAutoCommit(false);
            String sql="INSERT INTO userinfo(username,password,nickname,age) "+
                    "VALUES(?,?,?,?)";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,"李四");
            ps.setString(2,"123456");
            ps.setString(3,"张三");
            ps.setInt(4,18);
            int num=ps.executeUpdate();
            System.out.println(num>0?"添加成功":"添加失败");
            System.out.println("已提交");
            connection.commit();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
